What's system-level tracing? What are the most frequently used methods?

[孙世龙 sunshilong]

>I'm not sure if you're using this mailing list for your assignments or not.
I am facing a hang on Ubuntu. Some expert suggest me to solve this problem
by system-level tracing. But I am not familiar with it. I hope to know
which are
most frequently used.

孙世龙 sunshilong <sunshilong369 at gmail.com> 于2020年7月9日周四 上午9:46写道：
>
> Hi,
>
> What's system-level tracing?
> What are the most frequently used methods?
> I would appreciate it if you could give me some related documents to go through.
>
> Thank you for your attention to this matter.